Proto-Indo-European *wrugʰyo-

→ Old English ryge (inherited)

→ Bulgarian ръж (inherited)

→ Danish rug (derived)

→ Faroese rugur (derived)

→ Westrobothnian råg (derived)

→ Old High German rocko (derived)

→ Hungarian rozs (derived)

→ Icelandic rúgur (inherited)

→ Latvian rudzi (mention)

→ Norwegian Bokmål rug (derived)

→ Norwegian Nynorsk rug (derived)

→ Old Norse rugr (derived)

→ Russian рожь (derived)

→ Serbo-Croatian raž (derived)

→ Serbo-Croatian раж (derived)

→ Slovak raž (derived)

→ Slovene rž (derived)

→ Swedish råg (derived)